Answer:
dependent variables
What is the rapid change in a membrane's potential caused by the depolarization of a neuron?
Answer:
During depolarization, the membrane potential rapidly shifts from negative to positive. As the sodium ions rush back into the cell, they add positive charge to the cell interior, and change the membrane potential from negative to positive.
Explanation:
Reading- vocabulary quiz
Answer:
b- it describes how the tourist took the pictures.
True or false. The cell's chromatin condenses into chromosomes during prophase.
Answer:
False
Explanation:
Microtubules move chromatids to the poles of the cell during anaphase. Chromosomes reach the poles of the cell during metaphase. The cell's chromatin condenses into chromosomes during prophase. ... false, centrioles migrate to the poles of the cell during prophase.
how many sens organs do we have
Answer:
5 sense organs
Explanation:
Sense organs are the specialized organs composed of sensory neurons, which help us to perceive and respond to our surroundings. There are five sense organs – eyes, ears, nose, tongue, and skin. What are the Olfactory Organs?
Jose wants to measure his fingernail, what unit is he going to use?
Answer: you can measure in metric
Explanation:
here is a file
The authors describe an important experiment in which scientists showed strong support for the hypothesis that bdelloid rotifers have reproduced asexually for millions of years. Briefly describe the results from their experiment that supported this conclusion
Answer:
Bdelloid rotifers are small metazoans, a class of very small invertebrates that can visible through a microscope only. They reproduce asexually and found in temporary or permanent freshwater.
Bdelloid rotifers population shows only females in this population and Males not found yet, which suggests that females asexually produce identical progeny. The process called parthenogenesis. The organisms that sexually produced their DNA has two copies of the genome that may or may not be identical but in case of asexual reproduction, there are always identical copies produce.
According to modern cell theory, all cells arise from pre-
existing cells by what process?
a
Cell division
b DNA replication
С
Sexual reproduction
d Cellular respiration
10. Most cells are microscopic. Very few, like the eggs we eat, are visible to the unaided eye. Why have cells evolved to be small versus very large structures visible to the human eye
Answer: Efficient functioning.
Explanation:
Cells require a lot of substances to both come into and leave the cell in order for the cell to accomplish it's functions. These substances can be anything from carbohydrates to water and they come into the cell through diffusion and osmosis.
The thing about diffusion however, is that it happens faster over shorter distances than longer distances. This is why cells are so small. They evolved to be that size to ensure that diffusion of these substances takes place relatively quickly so that they can use these substances to carry out their functions at a faster rate.
146. The ATP/CP Pathway is best for which of the following activities? A. Running a marathon B. 100m sprint C. 30 minutes steady state cardio D. - Tabata workout
Answer:
100m sprint
Explanation:
The ATP/CP Pathway is best for in 100m sprint activity.
what is ATP ?Adenosine Triphosphate (ATP) is the energy carrier in every living organisms on earth which capture and store energy metabolized from food and light sources in the form of ATP.
ATP is broken down through hydrolysis during energy required by a cell, The high energy bond is broken and removal of a phosphoryl group occurred.
The energy released from this process is used to drive various cellular processes.
ATP is constantly participates in biological reactions and central to the health and growth of all life, transfer energy from one location to another,.
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Pls help I’ll brainlest
You can pick more than one I think
Answer:
I say the correct answers are C and D and E maybe.
Explanation:
But I say both good and right answer are C and D. And just E for backup!
Some aquatic animals possess stinging cells. These cells are called: Hypothocysts. Nematocysts. Psoriacysts. None of the above.
Answer:
The correct answer is - Nematocycst.
Explanation:
Nematocysts are aquatic animals that contain stinging cells known as cnidocytes. These organisms are members of the phylum Cnidaria. These carry a organelle called cnida or cnidocyst.
An example of such an organism is Jellyfish. Sting cells are specialized neural cells that release extensive Golgi secretion venom that causes a stinging experience to the prey the nematocyst.
What is the function of gills and lungs in aquatic animals
Answer:
Basically, gills filter the water around the animal and take in the small amount of oxegen mixed in the water. Lungs take in all of the air and almost half of it is oxgen and they can't go underwater for long. But since lungs are more efficient, animals with lungs can grow bigger than animals with gills
Explanation:
Answer:
Gills are evaginations of the body surface. Some open directly to the environment; others, as in fishes, are enclosed in a cavity. In contrast, lungs represent invaginations of the body surface. Many invertebrates use gills as a major means of gas exchange; a few, such as the pulmonate land snail, use lungs.
Explanation:
They're just their to help the fish breath
In guinea pigs, the color of the fur is determined by a single gene with two alleles control. The brown allele (B) is dominant over the white allele (b). Two heterozygous guinea pigs are crossed. Draw a genetic diagram with the genotypic, phenotypic and ratio information of the P₁ and F ₁ generations of this cross.
Answer:
B b
B BB Bb
b Bb bb
Genotype:
ratio - 1:2:1
1 BB = 25%
2 Bb = 50%
1 bb = 25%
Phenotype:
ratio - 3:1
3 Brown: 75%
1 White:25%
HOpe this helps
The age of rock as determined by the other rock surrounding it is known as ______________.
A) absolute age
B) carbon dating
C) Law of Superposition
D) relative age
Answer:
B)CARBON DATING
Explanation:
The protective covering of seeds; used to attract animals to the plant to disperse the seeds is called the ?
Stamen
Fruit
Root System
Fungi
Answer:
Fruit
Explanation:
Fruit is a ripened ovary of a plant which contains one or more seeds
In chipmunks, the dominant allele (H) codes for short-haired fur and the recessive allele (h) codes for long-haired fur. What is the probability that the offspring of a cross between a male chipmunk (Hh) and a female
chipmunk (hh) will have either furtype?
A. 50% of alfspring will have long haired fur.
B. 25% of offspring will have short-haired fur.
C. 100% of offspring will have long-haired fur.
D. 100% of offspring will have short-haired fur.
Answer:
50% will have long hair!
Explanation:
When you cross between Hh and hh, two out of four are Hh, which is long hair, and two are hh, which is short hair.
Answer:
A I think
Explanation:
Which of the following statements explains how N-formylmethionine (fMet) is only associated with the 5' AUG initiation codon and not with internal AUG codons, given that methionine in both cases in encoded by an AUG in the mRNA. Select all that apply. Group of answer choices Only fMet-tRNA(fMet) can bind first to the P site in the ribosome. There are more than one tRNA with the 5' CAU 3' anticodon. fMet is always incorporated at interior AUG sites and then deformylated after translation. The N-formyl group attached to methionine prevents fMet from entering interior positions in a polypeptide.
Answer:
Only fMet-tRNA(fMet) can bind first to the P site in the ribosome. ( A ) There are more than one tRNA with the 5' CAU 3' anticodon. ( B ) The N-formyl group attached to methionine prevents fMet from entering interior positions in a polypeptide. ( D )Explanation:
The statements that explains how N--formyl methionine (fMet) is only associated with the 5' AUG initiation codon and not with internal AUG codons, given that methionine in both cases in encoded by an AUG in the mRNA are :
Only fMet-tRNA(fMet) can bind first to the P site in the ribosome. ( A )
There are more than one tRNA with the 5' CAU 3' anticodon. ( B )
The N-formyl group attached to methionine prevents fMet from entering interior positions in a polypeptide. ( D )
While statement C is wrong.
True or False
humans can survive longer without food than they can without water
Answer:
False.
Explanation:
The human can typically go two to three days without water and 30 to 40 days without food.
I hope this helps, have a nice day.
Answer:
False
a human can go a month without food but cannot go a week without water
A child is born with hemophilia (inherited as an X-linked recessive) and Klinefelter's syndrome to parents who both have normal blood clotting. In which parent (mother or father) and during which round of meiosis (I or II) did the nondisjunction event occur
Answer:
mother
Explanation:
Hemophilia is a sex-linked recessive disorder caused by a mutation in one of the genes responsible for encoding the clotting factor proteins (factor VIII or factor IX), which are located on the X chromosome. Moreover, the Klinefelter syndrome is caused by men having an additional X chromosome. In this case, the nondisjunction occurred from the mother because her gamete included an extra X, it is for that reason that all genes localized on the X chromosome, including the defective gene involved in hemophilia, can cause all of her sons to be affected by the disease in some generation. Thus, sister chromatids did not separate during meiosis (Anaphase II) and caused two copies of the defective allele for the hemophilia trait.
What is brine rejection?
Answer:
Brine rejection is a process that occurs when salty water freezes.
Explanation:
BRAINLIEST
PLZZ HELP ME !!!
Answer:
the answer is in picture
please help with my biology
Answer:
True
Explanation:
cancer cells are cells with unregulated cell growth or unchecked cell growth
Which of the following is a type of adaptation that animals can have? 1. Physical characteristics II. Behaviors III. Life cycle differences O1 and 11 OI I and III O II and III O1, II, and III
Briefly explain the characteristics of vertebrates?
Answer:
A vertebrate is anything with a backbone. Mammals, Amphibians, Reptiles, Birds, and some fish. These organisms with a backbone would be categorized as Phylum Chordata. (Chordates, meaning chord, or spinal chord).
Explanation:
HELP PLS +10 BRAINLY POINTS
The graph shows atmospheric carbon dioxide levels over time.
Which two observations are most useful for explaining the trends in the data? Select two answer choices.
A. Photosynthesis and cellular respiration have opposite effects on carbon dioxide levels.
B. Carbon is stored in solid form in shells, rocks, and sediments.
C. Atmospheric carbon dioxide may dissolve in ocean water.
D. The burning of fossil fuels adds carbon dioxide to the atmosphere.
E. Activities that produce or take up carbon dioxide vary with the seasons.
Answer:
the answer is A and D
Explanation:
because yes
Cellular respiration and photosynthesis are significant carbon cycle processes. The processes via which carbon is recycled in the biosphere are known as the carbon cycle. Thus, option A, D is correct.
What is the effect of carbon dioxide to the atmosphere?
Unlike cellular respiration, which releases carbon dioxide into the environment, photosynthesis eliminates carbon dioxide from the atmosphere.
When fossil fuels are burned, a greenhouse gas called carbon dioxide is massively released into the atmosphere. Greenhouse gases, which trap heat in our atmosphere, are to blame for global warming.
Therefore, Photosynthesis and cellular respiration have opposite effects on carbon dioxide levels and the burning of fossil fuels adds carbon dioxide to the atmosphere.
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Which best describes cells at the end of mitosis (cell division)?
A) Two daughter cells are identical at the end of mitosis
B) Two daughter cells are completely different at the end of mitosis
C) Four daughter cells are completely different at the end of mitosis
D) Four daughter cells are identical at the end of mitosis
Answer:
A - two daughter cells are identical at the end of mitosis
Four Reasons why having environmental personal mission statement may enhance the environment?
Answer:
here is you answer bro:
Personal mission statements are an important component of leadership and personal development. They force you to think deeply about your life, clarify its purpose, and identify what is truly important to you. Personal mission statements also force you to clarify and express as briefly as possible your deepest values and aspirations. It imprints your values and purposes in your mind so they become a part of you. Integration of your personal mission statement into your weekly planning is also a way to keep your vision constantly in front of you.
How can you create your personal mission statement and why is it important?:
Identify Some Past Successes. These successes can be personal or professional. Identifying a common theme is beneficial because it helps you identify what is important to you.
Identify Your Core Values. Development of this list should outline a list of attributes that you believe best identifies who you are as well as your priorities. Once you have completed this step, identify which value is most important to you. Some may like to narrow the list down to a few values before choosing just one.
Identify Your Contributions. Make a list of the ways you feel you could make a difference. How do you believe you can contribute to the world? Your family? Your employer? Your community? Your friends? Seeing your contributions detailed can help you best understand in what ways you would like to make a difference.
Identify Your Goals. Consider your priorities in life and the goals you have for yourself. Listing your personal short-term and long-term goals are valuable in this step.
Write Your Personal Mission Statement. This should now be easily completed based on the outcome of the first four steps.
Why is it important?
1. It integrates who you are.
2. Provides focus.
3. Simplifies any decision-making processes.
4.Holds you accountable for your decisions and actions.
Writing a personal mission statement is an act of self-discovery that can help us uncover things that we previously may not have otherwise known. Personal mission statements allow us to get to know ourselves better and discover our sense of purpose in life.
Get started on yours this weekend.
Explanation:
B. Absorbs water
C. Stores solid waste
c. Soft Goupik
B Р
(D) Filter waste products from blood
CF
D
7. What system is composed of these five parts, heart, blood vessels, lymph vessels, blood
and lymph?
A. Excretory System
B. Lymphatic System
C. Nervous System
D. Circulatory System
Pregnancy comes with a unique set of diet and lifestyle guidelines. Some substances are particularly beneficial for the mother or baby, others are harmful, and some should be used with caution.
a. True
b. False
Answer:
I believe it it A. True
Hope this helps
Answer:
a
Explanation:
the concentration of substances contained in e.g some medicines might be okay for a woman who is not expecting but the the impact is totally different to someone who has a baby growing in their uterus,this is so because babies are very delicate and reactive to strong chemicals